Hip joint prosthesis friction and
wear testing machine, including a base and a test box installed on the base. The test box is divided into an upper cavity and a lower cavity by a box partition, and a
servo electric cylinder is installed in the lower cavity. The output shaft of the cylinder passes through the through hole of the box partition and is fixedly connected to the bottom end of the
pressure sensor arranged in the upper chamber, the top end of the
pressure sensor is fixedly connected to the lower test piece mounting seat, and the top end of the lower test piece mounting seat is screwed to the joint The head specimen; the rear side of the test box is fixedly installed with a
servo motor, the
servo motor drives the
crank rocker mechanism to drive the
torque sensor to twist, the bottom of the
torque sensor is connected with the top of the upper specimen mounting seat, and the bottom of the upper specimen mounting base The acetabular test piece is fixedly installed at the end; a sealing cover is provided between the upper test piece mounting seat and the lower test piece mounting seat;
semiconductor cooling chips, heating resistors and
thermocouple sensors are installed on the side of the upper cavity. The invention realizes the tribological test of the
hip joint prosthesis at the set ambient temperature, and makes the test result more accurate.